57539925664 has 48 divisors (see below), whose sum is σ = 122126733288. Its totient is φ = 26528366592.

The previous prime is 57539925649. The next prime is 57539925683. The reversal of 57539925664 is 46652993575.

It can be written as a sum of positive squares in 4 ways, for example, as 34827024400 + 22712901264 = 186620^2 + 150708^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315984 + ... + 463600.

Almost surely, 2^57539925664 is an apocalyptic number.

It is an amenable number.

57539925664 is an abundant number, since it is smaller than the sum of its proper divisors (64586807624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57539925664 is a wasteful number, since it uses less digits than its factorization.

57539925664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148577 (or 148569 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 61.

The spelling of 57539925664 in words is "fifty-seven billion, five hundred thirty-nine million, nine hundred twenty-five thousand, six hundred sixty-four".